4. F - Mech Eng,Light,Heat,Weapons
  5. 04
  6. B

Lloyd L. Walker

F - Mech Eng,Light,Heat,Weapons – 04 – B

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Inventor

Country: Canada

Back spin swivelling device for a progressive cavity pump

F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent

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Swivelling device for a downhole rod pump

F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent

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Back spin swivelling device for a progressive cavity pump

F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Swivelling device for a downhole rod pump

F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-1335272

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